EMC1043 Standard Microsystems Corp., EMC1043 Datasheet - Page 14

• Manufacturer Part Number: EMC1043
• Description: 1 Degree C Triple Temperature Sensor With Beta Compensation And Hotter Of Two Zones
• Manufacturer: Standard Microsystems Corp.

Revision 1.44 (04-14-08)
3.5
i.e. CPU substrate
substrate
transistor
Ground
Typical
remote
Local
PNP
Each temperature result for each zone is available in two byte wide data registers. As shown in
Section
least significant bits stored in the three MSB positions of the low byte register. The delta-sigma ADC
may be operated with more than 11 bits of resolution for improved averaging as described in
Section
The temperature results for the two remote zones are also stored in extended format with a range from
-64°C to +191°C. The data format is a 2’s complement number offset by 64°C as shown in
The data for each of the remote zones in both legacy and extended format is stored in separate data
registers so that both data formats are always available.
range formats.
Temperature Measurement Results and Data
4.1, the 11-bit format has the 8 most significant bits stored in the high byte register and the 3
4.5, but the temperature result is reported at 11-bit resolution.
o D
N
o D
P
t
t
Figure 3.3 External Diode Configurations
discrete PNP transistor
1°C Triple Temperature Sensor with Beta Compensation and Hotter of Two Zones
2N3906
Typical
remote
DATASHEET
i.e.
14
o D
P
o D
N
t
t
Table 3.2
discrete NPN transistor
shows the default and extended
2N3904
Typical
remote
i.e.
SMSC EMC1043
Section
Datasheet
o D
P
o D
N
t
t
4.2.